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How to test if a string is basically an integer in quotes using Ruby
...se the "0" makes it octal, and 9 is not a valid octal number. osdir.com/ml/lang.ruby.general/2002-08/msg00247.html
– Andrew Grimm
Aug 5 '09 at 23:25
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Including all the jars in a directory within the Java classpath
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Using Java 6 or later, the classpath option supports wildcards. Note the following:
Use straight quotes (")
Use *, not *.jar
Windows
java -cp "Test.jar;lib/*" my.package.MainClass
Unix
java -cp "Test.jar:lib/*" my.package.Main...
javac error: Class names are only accepted if annotation processing is explicitly requested
I get this error when I compile my java program:
12 Answers
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What are Java command line options to set to allow JVM to be remotely debugged?
I know there's some JAVA_OPTS to set to remotely debug a Java program.
8 Answers
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Cannot run Eclipse; JVM terminated. Exit code=13
...st be on separate lines.
The value must be the full absolute path to the Java executable, not just to the Java home directory.
The -vm option must occur before the -vmargs option, since everything after -vmargs is passed directly to the JVM
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Specify JDK for Maven to use
...k for a single invocation of maven?
Temporarily change the value of your JAVA_HOME environment variable.
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Determine file creation date in Java
... question to mine on StackOverflow ( How to get creation date of a file in Java ), but the answer isn't really there as the OP had a different need that could be solved via other mechanisms. I am trying to create a list of the files in a directory that can be sorted by age, hence the need for the f...
The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
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The R Language Definition is handy for answering these types of questions:
http://cran.r-project.org/doc/manuals/R-lang.html#Indexing
R has three basic indexing operators, with syntax displayed by the following examples
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Android Studio installation on Windows 7 fails, no JDK found
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Adding a system variable JDK_HOME with value c:\Program Files\Java\jdk1.7.0_21\ worked for me. The latest Java release can be downloaded here.
Additionally, make sure the variable JAVA_HOME is also set with the above location.
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Gradle does not find tools.jar
I am using javadoc doclets with gradle, so I need to use the package tools.jar, which is in the lib folder from the jdk (1.6.0_26 in my case).
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